UA 401 then WN 197 at Denver
Minneapolis → Denver → Dallas
Timetable, Denver time
12:38UA 401 from Minneapolis at the gate
11:05WN 197 to Dallas leaves the gate
22 h 27 apart on the timetable, overnight
WN 197 leaves 22 h 27 after UA 401 arrives on the timetable: more than half a day, so not a connection we count.